/* * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ #include "RuntimeScheduler.h" namespace facebook::react { Task::Task( SchedulerPriority priority, jsi::Function&& callback, std::chrono::steady_clock::time_point expirationTime) : priority(priority), callback(std::move(callback)), expirationTime(expirationTime) {} Task::Task( SchedulerPriority priority, RawCallback&& callback, std::chrono::steady_clock::time_point expirationTime) : priority(priority), callback(std::move(callback)), expirationTime(expirationTime) {} jsi::Value Task::execute(jsi::Runtime& runtime, bool didUserCallbackTimeout) { auto result = jsi::Value::undefined(); // Canceled task doesn't have a callback. if (!callback) { return result; } // We get the value of the callback and reset it immediately to avoid it being // called more than once (including when the callback throws). auto originalCallback = std::move(*callback); callback.reset(); if (originalCallback.index() == 0) { // Callback in JavaScript is expecting a single bool parameter. // React team plans to remove it in the future when a scheduler bug on web // is resolved. result = std::get(originalCallback) .call(runtime, {didUserCallbackTimeout}); } else { // Calling a raw callback std::get(originalCallback)(runtime); } return result; } } // namespace facebook::react